Add using mental math. 550 + 130 =
680
Add the hundreds. Use mental math. 170 + 400 =
570
Add using mental math. 4,000 + 4,210 =
8,210
Add using mental math. 420 + 230 =
650
Add the hundreds. Use mental math. 380 + 500 =
880
Add using mental math. 5,030 + 3,001 =
8,031
Add using mental math. 120 + 250 =
370
Add the hundreds. Use mental math. 490 + 300
790
Add using mental math. 1,305 + 4,033 =
5,338
Find the PATTERN and the NEXT 2 NUMBERS: 110, 220, 330
+110 40, 50
Add using mental math. 740 + 360 =
1100
Find the missing number. 530 + ____ = 1030
500
Add using mental math. 21,010 + 1,963 =
22,973
Find the PATTERN and the NEXT 2 NUMBERS: 415, 422, 429
+7, 436, 443
Tad has 72 seashells. He finds 15 more shells. How many seashells does Tad have in all?
87
A year ago, Ray's puppy weighed 10 pounds. Now his puppy weighs 110 pounds more. How much does Ray's puppy weigh.
120 pounds
800
Nellie had 82,114 rubber bands. Then she bought a pack of 987 rubber bands. How many rubber bands does Nellie have now?
83,101
Patty made 4 headbands last week. She made 8 this week. Next week, she will make 16.
What is the pattern?
How many headbands will Patty make the following week?
It doubles. Patty will make 32 headbands the following week.